* {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
    font-family: Arial, Helvetica, sans-serif;
    background: #fff;
}
#mapa {
    width: 100%;
    height: 100vh;
}
/* BOTÓN VOLVER */
.boton-volver {
    position: fixed;
    top: 18px;
    left: 18px;
    z-index: 1000;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 16px;
    background: rgba(255, 255, 255, .97);
    color: #222;
    border: 1px solid #ddd;
    border-radius: 9px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 3px 12px rgba(0, 0, 0, .18);
    transition: .2s ease;
}
.boton-volver:hover {
    background: #f5f5f5;
    transform: translateY(-1px);
}
/* CONTADOR */
.contador-propiedades {
    position: fixed;
    top: 18px;
    right: 18px;
    z-index: 1000;
    padding: 11px 16px;
    background: rgba(255, 255, 255, .97);
    color: #222;
    border: 1px solid #ddd;
    border-radius: 9px;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 3px 12px rgba(0, 0, 0, .18);
}
/* POPUP */
.popup-propiedad {
    min-width: 210px;
    max-width: 280px;
}
.popup-imagen {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
    margin-bottom: 10px;
    border-radius: 6px;
}
.popup-propiedad h3 {
    margin: 0 0 8px;
    font-size: 15px;
    line-height: 1.3;
    color: #171717;
}
.popup-linea {
    margin: 5px 0;
    font-size: 13px;
    line-height: 1.4;
    color: #555;
}
.popup-precio {
    margin-top: 8px;
    font-size: 14px;
    font-weight: 700;
    color: #111;
}
.popup-boton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    padding: 9px 13px;
    background: #111;
    color: #fff;
    border-radius: 7px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 700;
}
.popup-boton:hover {
    background: #333;
}
/* MOBILE */
@media (max-width: 600px) {
    .boton-volver {
        top: 12px;
        left: 12px;
        padding: 10px 13px;
        font-size: 13px;
    }
    .contador-propiedades {
        top: 12px;
        right: 12px;
        padding: 10px 13px;
        font-size: 13px;
    }
}